23151171 has 8 divisors (see below), whose sum is σ = 30921040. Its totient is φ = 15407712.

The previous prime is 23151109. The next prime is 23151181. The reversal of 23151171 is 17115132.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23151171 - 2¹⁰ = 23150147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23151181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4456 + ... + 8133.

It is an arithmetic number, because the mean of its divisors is an integer number (3865130).

Almost surely, 2^23151171 is an apocalyptic number.

23151171 is a deficient number, since it is larger than the sum of its proper divisors (7769869).

23151171 is a wasteful number, since it uses less digits than its factorization.

23151171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13205.

The product of its digits is 210, while the sum is 21.

The square root of 23151171 is about 4811.5663769712. The cubic root of 23151171 is about 285.0083961823.

It can be divided in two parts, 2315 and 1171, that added together give a triangular number (3486 = T₈₃).

The spelling of 23151171 in words is "twenty-three million, one hundred fifty-one thousand, one hundred seventy-one".